I can't answer your question, but I've noticed that "rooftop" results are often "center of the property" results. In the most common urban case those will be virtually identical, by in the idyllic country side, where you might be trying to tell how close the building is to water, it could easily lead a 100s of meters difference.
On Monday, March 18, 2013 9:50:33 AM UTC-7, Mike Knowles wrote: > > Hi. > > In your experience, how reliable is the accuracy of *ROOFTOP* level > results in V3 of the API? > > I work in the insurance industry and I'm working on some tools to allow > our staff to determine how near to water our customer's properties are. Our > customer base is in the UK and I'm finding that where properties are > returned as *ROOFTOP* this is not always the case. > > My understanding was that *ROOFTOP* was the equivelant of a V2 9 accuracy > level i.e. precise, but in practice whilst some results are down to within > a metre or two (or even more precise than that), others are way out. I'm > finding that some addresses returned by the Geocoder are classed as * > ROOFTOP* but look to be postcode level accurate. Sometimes this can be a > matter of metres, but often the lat/lng can be sufficiently far away as to > negate the benefit of showing the address on a map. > > Thanks in advance. > -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-maps-js-api-v3+unsubscr...@googlegroups.com. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. Visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
